gdb/testsuite/gdb.base/gcore.exp

   1 # Copyright 2002-2014 Free Software Foundation, Inc.
   2
   3 # This program is free software; you can redistribute it and/or modify
   4 # it under the terms of the GNU General Public License as published by
   5 # the Free Software Foundation; either version 3 of the License, or
   6 # (at your option) any later version.
   7 #
   8 # This program is distributed in the hope that it will be useful,
   9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11 # GNU General Public License for more details.
  12 #
  13 # You should have received a copy of the GNU General Public License
  14 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  15
  16 # This file was written by Michael Snyder (msnyder@redhat.com)
  17 # This is a test for the gdb command "generate-core-file".
  18
  19
  20 standard_testfile
  21
  22 if {[prepare_for_testing $testfile.exp $testfile $srcfile debug]} {
  23     untested $testfile.exp
  24     return -1
  25 }
  26
  27 # Does this gdb support gcore?
  28 gdb_test_multiple "help gcore" "help gcore" {
  29     -re "Undefined command: .gcore.*$gdb_prompt $" {
  30         # gcore command not supported -- nothing to test here.
  31         unsupported "gdb does not support gcore on this target"
  32         return -1
  33     }
  34     -re "Save a core file .*$gdb_prompt $" {
  35         pass "help gcore"
  36     }
  37 }
  38
  39 if { ! [ runto_main ] } then {
  40     untested gcore.exp
  41     return -1
  42 }
  43
  44 proc capture_command_output { command prefix } {
  45     global gdb_prompt
  46     global expect_out
  47
  48     set output_string ""
  49     gdb_test_multiple "$command" "capture_command_output for $command" {
  50         -re "${command}\[\r\n\]+${prefix}(.*)\[\r\n\]+$gdb_prompt $" {
  51             set output_string $expect_out(1,string)
  52         }
  53     }
  54     return $output_string
  55 }
  56
  57 gdb_test "break terminal_func" "Breakpoint .* at .*${srcfile}, line .*" \
  58         "set breakpoint at terminal_func"
  59
  60 gdb_test "continue" "Breakpoint .* terminal_func.*" \
  61         "continue to terminal_func"
  62
  63 set print_prefix ".\[0123456789\]* = "
  64
  65 set pre_corefile_backtrace [capture_command_output "backtrace" ""]
  66 set pre_corefile_regs [capture_command_output "info registers" ""]
  67 set pre_corefile_allregs [capture_command_output "info all-reg" ""]
  68 set pre_corefile_sysregs [capture_command_output "info reg system" ""]
  69 set pre_corefile_static_array \
  70         [capture_command_output "print static_array" "$print_prefix"]
  71 set pre_corefile_uninit_array \
  72         [capture_command_output "print un_initialized_array" "$print_prefix"]
  73 set pre_corefile_heap_string \
  74         [capture_command_output "print heap_string" "$print_prefix"]
  75 set pre_corefile_local_array \
  76         [capture_command_output "print array_func::local_array" "$print_prefix"]
  77 set pre_corefile_extern_array \
  78         [capture_command_output "print extern_array" "$print_prefix"]
  79
  80 set corefile [standard_output_file gcore.test]
  81 set core_supported [gdb_gcore_cmd "$corefile" "save a corefile"]
  82 if {!$core_supported} {
  83   return -1
  84 }
  85
  86 # Now restart gdb and load the corefile.
  87 gdb_exit
  88 gdb_start
  89 gdb_reinitialize_dir $srcdir/$subdir
  90 gdb_load ${binfile}
  91
  92 set core_loaded [gdb_core_cmd "$corefile" "re-load generated corefile"]
  93 if { $core_loaded == -1 } {
  94     # No use proceeding from here.
  95     return
  96 }
  97
  98 gdb_test_sequence "where" "where in corefile" {
  99     "\[\r\n\]+#0 .* terminal_func \\(\\) at "
 100     "\[\r\n\]+#1 .* array_func \\(\\) at "
 101     "\[\r\n\]+#2 .* factorial_func \\(value=1\\) at "
 102     "\[\r\n\]+#3 .* factorial_func \\(value=2\\) at "
 103     "\[\r\n\]+#4 .* factorial_func \\(value=3\\) at "
 104     "\[\r\n\]+#5 .* factorial_func \\(value=4\\) at "
 105     "\[\r\n\]+#6 .* factorial_func \\(value=5\\) at "
 106     "\[\r\n\]+#7 .* factorial_func \\(value=6\\) at "
 107     "\[\r\n\]+#8 .* main \\(.*\\) at "
 108 }
 109
 110 set post_corefile_regs [capture_command_output "info registers" ""]
 111 if ![string compare $pre_corefile_regs $post_corefile_regs] then {
 112     pass "corefile restored general registers"
 113 } else {
 114     fail "corefile restored general registers"
 115 }
 116
 117 set post_corefile_allregs [capture_command_output "info all-reg" ""]
 118 if ![string compare $pre_corefile_allregs $post_corefile_allregs] then {
 119     pass "corefile restored all registers"
 120 } else {
 121     fail "corefile restored all registers"
 122 }
 123
 124 set post_corefile_sysregs [capture_command_output "info reg system" ""]
 125 if ![string compare $pre_corefile_sysregs $post_corefile_sysregs] then {
 126     pass "corefile restored system registers"
 127 } else {
 128     fail "corefile restored system registers"
 129 }
 130
 131 set post_corefile_extern_array \
 132         [capture_command_output "print extern_array" "$print_prefix"]
 133 if ![string compare $pre_corefile_extern_array $post_corefile_extern_array]  {
 134     pass "corefile restored extern array"
 135 } else {
 136     fail "corefile restored extern array"
 137 }
 138
 139 set post_corefile_static_array \
 140         [capture_command_output "print static_array" "$print_prefix"]
 141 if ![string compare $pre_corefile_static_array $post_corefile_static_array]  {
 142     pass "corefile restored static array"
 143 } else {
 144     fail "corefile restored static array"
 145 }
 146
 147 set post_corefile_uninit_array \
 148         [capture_command_output "print un_initialized_array" "$print_prefix"]
 149 if ![string compare $pre_corefile_uninit_array $post_corefile_uninit_array]  {
 150     pass "corefile restored un-initialized array"
 151 } else {
 152     fail "corefile restored un-initialized array"
 153 }
 154
 155 set post_corefile_heap_string \
 156         [capture_command_output "print heap_string" "$print_prefix"]
 157 if ![string compare $pre_corefile_heap_string $post_corefile_heap_string]  {
 158     pass "corefile restored heap array"
 159 } else {
 160     fail "corefile restored heap array"
 161 }
 162
 163 set post_corefile_local_array \
 164         [capture_command_output "print array_func::local_array" "$print_prefix"]
 165 if ![string compare $pre_corefile_local_array $post_corefile_local_array]  {
 166     pass "corefile restored stack array"
 167 } else {
 168     fail "corefile restored stack array"
 169 }
 170
 171 set post_corefile_backtrace [capture_command_output "backtrace" ""]
 172 if ![string compare $pre_corefile_backtrace $post_corefile_backtrace]  {
 173     pass "corefile restored backtrace"
 174 } else {
 175     fail "corefile restored backtrace"
 176 }